Sunday, March 14, 2010

On Access Control

The university has recently (meaning over the last 2 years) installed access control to all the parking lots across the university. However, due to construction work on a nearby building, the largest parking lot on the campus has only one access point. University security has finally gotten round to closing all the booms (18 months after they were installed). Refer to Figure 1 for a representation of the layout of the access point, taking note of the positions of the card reading point, A, the entering vehicle, B, and the impassible barrier between them, C.

Figure 1 - Schematic layout of access point.

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